<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>

    <style>
        .weatcher{
            font-size: 32px;
            font-weight: bold;
        }
    </style>
</head>
<body>
    <div id="test"></div>
    <div id="test1"></div>
    <div id="test2"></div>
    <script src="./js/react.development.js" crossorigin></script> 
    <script src="./js/react-dom.development.js" crossorigin></script>
    <script src="./js/babel.min.js"></script>
    <script src="./js/prop-types.js"></script>
    <script type="text/babel">
        class Person extends React.Component{
            constructor(props) {
                super(props)
            }
            state = {name: '张三',age: 18,sex: '男'}
            static propTypes = {
                name: PropTypes.string.isRequired, // 限制name必传, 且 为字符串
                sex: PropTypes.string,// 限制sex为字符串
                age: PropTypes.number,// 限制age为数字
                speak: PropTypes.func// 限制speak为函数
            }
            static defaultProps = {
                sex: '不男不女',
                age: 18
            }
            render() {
                const {name,age,sex} = this.props
                return (
                    <ul>
                        <li onClick={this.demo}>姓名: {name}</li>
                        <li>年龄: {age + 1}</li>
                        <li>性别: {sex}</li>
                    </ul>
                )
            }

            demo = () => {
                console.log(this.props,'this.props')
            }


        }

        const p = {name: '老刘',age: 22}
        ReactDOM.render(<Person name="tom" age={18} />,document.getElementById('test'))
        ReactDOM.render(<Person name="Bob" age={19}/>,document.getElementById('test1'))
        ReactDOM.render(<Person {...p}/>,document.getElementById('test2'))
    </script>
</body>
</html>